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Metrohm LLT6.6kV
  • Metrohm LLT6.6kV
  • Metrohm LLT6.6kV
  • Metrohm LLT6.6kV

Metrohm 6.6kV Live Line Tester - LLT6.6kV

hvi authorised distributor and service centre

Kit Includes: 1 x 6.6kV Live Line tester, 1 x phasing rod, 2 x std. bent end adaptors, 2 x extension rods, 2 x head line adaptors, Proving unit, all leads, cleaning kit & operating instructions in a rigid carry/storage case.

HVI Limited
£2,707.50 Save 5%
Tax excluded
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Individual kits are available for system voltages of 3.3kV, 6.6kV, 11kv, 13.8kV and 33kV (50/60Hz).

The Live Line Tester Kits (LLT) have been specifically designed to perform measurements for both live voltage testing and phasing on overhead lines, in substations and within switchgear compartments. A Live Line Tester is a device that draws current from the source under test. This current flows through a resistive chain to earth via an earth lead. The current flow is monitored and displayed on a moving coil meter which is graduated in kV.

When checking phase relationships a Phasing Rod is used in conjunction with a Live Line Tester. Currents from two sources are combined and displayed on the meter on the Tester. In-phase voltages will read twice the phase to earth voltage and out-of-phase voltages will read the phase to earth voltage only.

Near the contact end of the Tester and Phasing Rods there is a red band which is the limit mark. By definition this mark indicates the physical limit to which these items may be inserted between live components or may touch them.

The kit includes all necessary components to effectively carry out these tests. All components are housed within a heavy duty carry case with secure compartments. Made from high quality fibreglass rods and polycarbonate mouldings the equipment is suitable for both indoor and outdoor use – including wet conditions.


Only personnel who are fully trained in the use of Live Line Testers should use this equipment.
Ensure the tester and accessories are clean, free from cracks or deep scores, and are properly secured together.
Make certain that the Tester is properly rated for the voltage of the system under test.
Test the operation of the assembled Tester complete with accessories before and after each test.
Do not allow a live high voltage conductor to come in contact with the detector at point below the limit mark.
The Tester must never be used without a handle or without insulating rods incorporating a handle.
Safe working distances must always be observed.
Always connect the earth lead clip to a secure earthing point before performing a test.


Self powered operation.
Designed for indoor & outdoor use.
Positive phasing test.
High voltage measurement.
High quality fibreglass rod.
Proving & repeater units.
Designed to comply with the requirements of IEC1243 part 2.
High immunity to interference fields.

Metrohm LLT6.6kV Specifications
6.6 kV Tester
Resistor Chain 52.5 MΩ.
Measuring Range 10 kV.
Accuracy ±5% FSD.
Length 1025 mm.
Weight 1.4 kg.
Phasing Rod
Length 1025 mm.
Weight 1.4 kg.
Extension Rod
Length 907 mm.
Weight 0.65 kg.
Proving Unit
Voltage output 3 to 5 kV.
Dimensions 185 x 145 x 120 mm.
Repeater Station Used in conjunction with the tester/Ph rod
Dimensions 185 x 145 x 120 mm.
Bent End Adaptor
Length 675 mm.
Weight 0.27 kg.
Overhead Line Adaptors
Height 100 mm.
Weight 0.08 kg.
Bowthorpe Rod Adaptor
Length 360 mm.
Weight 0.62 kg.
Connection Cable 12 m.
LLT6.6kV warranty One-year.


Metrohm LLT Datasheet

PDF Specifications of the Metrohm LLT-3.3KV, LLT-6.6KV, LLT11KV, LLT13.8KV & the LLT33KV Live Line Testers.

Download (646.51k)

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Metrohm 6.6kV Live Line Tester - LLT6.6kV
6.6kV Repeater Unit Used in conjunction with the Tester / Ph Rod. LLT-F0R04A/2
Ext. Rod 3.3 - 13.8kV extension rod. DFH5002
Proving Unit Proving unit (voltage Output 3 to 5kV). LLT-F0P01B/2
Bent End Bent End Adaptor. DFH5028
Adapt. O/Head Line Adaptor. DFK5000
Rod Adapt. Bowthorpe rod adaptor. DFK0112
Case 3.3 - 13.8kV carry case. CMP5009
Satchel 3.3 - 33kV carry satchel. CMP5023
Cleaning Kit LLT cleaning kit. DDM5003

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